Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: quantos formatos de livros escritos por day, martin martin day.
 ###Tabelas: CREATE TABLE 2009_2010_table (2009_2010_table_id AUTO_INCREMENT PRIMARY KEY, Club VARCHAR, Played VARCHAR, Drawn VARCHAR, Lost VARCHAR, Points for VARCHAR, Points against VARCHAR, Tries for VARCHAR, Tries against VARCHAR, Try bonus VARCHAR, Losing bonus VARCHAR, Points VARCHAR) CREATE TABLE round_eight (round_eight_id AUTO_INCREMENT PRIMARY KEY, Pick # INT, Player VARCHAR, Position VARCHAR, Nationality VARCHAR, NHL team VARCHAR, College/junior/club team VARCHAR) CREATE TABLE total_team_ranking (total_team_ranking_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Country VARCHAR, 1st place INT, 2nd place INT, 3rd place INT, Total INT) CREATE TABLE north_carolina_counties_ranked_by_per_capita_income (north_carolina_counties_ranked_by_per_capita_income_id AUTO_INCREMENT PRIMARY KEY, County VARCHAR, Per capita income VARCHAR, Median household income VARCHAR, Median family income VARCHAR, Population INT, Number of households INT) CREATE TABLE the_sarah_jane_adventures (the_sarah_jane_adventures_id AUTO_INCREMENT PRIMARY KEY, Title VARCHAR, Author VARCHAR, Reader VARCHAR, Format VARCHAR, Company VARCHAR, Release Date VARCHAR, Notes VARCHAR)  
SELECT COUNT Format FROM the_sarah_jane_adventures WHERE Author = Day, Martin Martin Day